Marco Siffredi was a French snowboarder who attempted to snowboard down the Hornbein Couloir on Mount Everest, he disappeared shortly after this photograph was taken when he sped down the Couloir. Read more about him here.
list of extreme sports
list of extreme sports
Marco Siffredi was a French snowboarder who attempted to snowboard down the Hornbein Couloir on Mount Everest, he disappeared shortly after this photograph was taken when he sped down the Couloir. Read more about him here.
